🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.9

Radius: 10.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,300,870 km

• M1: 125,812 km (0.1 R)
• M2: 469,139 km (0.056 R)
• M3: 912,697 km (0.069 R)
• M4: 1,293,722 km (0.075 R)
• M5: 2,061,159 km (0.032 R)
• M6: 2,480,931 km (0.077 R)
• M7: 2,915,363 km (0.104 R)
• M8: 3,296,688 km (0.106 R)
• M9: 3,650,038 km (0.114 R)
• M10: 4,268,476 km (0.109 R)
• M11: 4,631,700 km (0.12 R)
• M12: 5,262,404 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 12.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.71 AU - 0.81 AU

Year: 457 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,300,870 km

• M1: 151,692 km (0.117 R)
• M2: 813,513 km (0.027 R)
• M3: 1,322,445 km (0.11 R)
• M4: 2,376,811 km (0.12 R)
• M5: 2,910,726 km (0.117 R)
• M6: 3,413,973 km (0.116 R)
• M7: 3,832,099 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 9.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.23 AU - 1.53 AU

Year: 1119 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,300,870 km

• M1: 116,836 km (0.07 R)
• M2: 1,035,965 km (0.056 R)
• M3: 1,858,155 km (0.095 R)
• M4: 2,522,519 km (0.113 R)
• M5: 3,391,234 km (0.101 R)
• M6: 3,992,019 km (0.091 R)
• M7: 4,366,313 km (0.097 R)
• M8: 4,919,227 km (0.098 R)
• M9: 6,308,393 km (0.115 R)
• M10: 7,353,932 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.8

Radius: 10.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.34 AU - 1.62 AU

Year: 1243 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,300,870 km

• M1: 134,488 km (0.086 R)
• M2: 574,306 km (0.067 R)
• M3: 921,373 km (0.054 R)
• M4: 1,540,260 km (0.116 R)
• M5: 2,038,271 km (0.094 R)
• M6: 2,566,351 km (0.087 R)
• M7: 3,013,948 km (0.067 R)
• M8: 3,436,413 km (0.1 R)
• M9: 3,965,391 km (0.106 R)
• M10: 4,529,375 km (0.1 R)
• M11: 4,947,800 km (0.08 R)
• M12: 5,371,012 km (0.063 R)
• M13: 6,477,289 km (0.059 R)
• M14: 7,312,045 km (0.053 R)
• M15: 7,649,687 km (0.092 R)
• M16: 9,406,116 km (0.112 R)
• M17: 10,249,399 km (0.116 R)
• M18: 11,210,565 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 9.4

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.47 AU - 1.93 AU

Year: 1530 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,300,870 km

• M1: 126,261 km (0.109 R)
• M2: 627,713 km (0.073 R)
• M3: 926,011 km (0.106 R)
• M4: 1,442,722 km (0.091 R)
• M5: 1,757,775 km (0.05 R)
• M6: 7,952,772 km (0.055 R)
• M7: 8,670,244 km (0.115 R)
• M8: 9,397,589 km (0.105 R)
• M9: 10,865,742 km (0.119 R)
• M10: 11,598,473 km (0.113 R)
• M11: 13,699,275 km (0.088 R)
• M12: 13,994,432 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.9

Radius: 12

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.65 AU - 2.37 AU

Year: 1967 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,300,870 km

• M1: 149,299 km (0.038 R)
• M2: 527,033 km (0.025 R)
• M3: 971,189 km (0.103 R)
• M4: 1,345,184 km (0.106 R)
• M5: 1,883,437 km (0.118 R)
• M6: 2,632,474 km (0.091 R)
• M7: 3,658,416 km (0.072 R)
• M8: 4,699,318 km (0.047 R)
• M9: 5,426,962 km (0.072 R)
• M10: 5,977,482 km (0.097 R)
• M11: 6,460,085 km (0.072 R)
• M12: 8,467,239 km (0.119 R)
• M13: 9,579,350 km (0.068 R)
• M14: 10,493,543 km (0.051 R)
• M15: 11,972,916 km (0.116 R)
• M16: 14,111,418 km (0.084 R)
• M17: 16,103,313 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.1

Radius: 12.2

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.78 AU - 2.64 AU

Year: 2268 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,300,870 km

• M1: 151,842 km (0.047 R)
• M2: 593,604 km (0.073 R)
• M3: 1,166,115 km (0.087 R)
• M4: 1,864,887 km (0.103 R)
• M5: 2,644,741 km (0.088 R)
• M6: 3,069,000 km (0.097 R)
• M7: 3,612,489 km (0.05 R)
• M8: 4,602,678 km (0.1 R)
• M9: 5,689,357 km (0.112 R)
• M10: 6,910,973 km (0.081 R)
• M11: 8,599,035 km (0.061 R)
• M12: 9,078,347 km (0.107 R)
• M13: 10,090,676 km (0.038 R)
• M14: 11,017,135 km (0.075 R)
• M15: 11,873,433 km (0.056 R)
• M16: 12,817,695 km (0.115 R)
• M17: 14,232,143 km (0.11 R)
• M18: 17,261,650 km (0.039 R)
• M19: 19,446,975 km (0.076 R)
• M20: 19,857,921 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 9.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.08 AU - 4.98 AU

Year: 5584 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,300,870 km

• M1: 124,166 km (0.038 R)
• M2: 441,763 km (0.082 R)
• M3: 973,583 km (0.113 R)
• M4: 1,348,924 km (0.067 R)
• M5: 1,690,007 km (0.112 R)
• M6: 2,104,094 km (0.061 R)
• M7: 2,466,869 km (0.109 R)
• M8: 2,852,831 km (0.111 R)
• M9: 3,703,146 km (0.09 R)
• M10: 4,068,464 km (0.089 R)
• M11: 4,482,999 km (0.049 R)
• M12: 5,171,598 km (0.101 R)
• M13: 5,570,726 km (0.096 R)
• M14: 6,692,410 km (0.086 R)
• M15: 7,063,563 km (0.074 R)
• M16: 8,569,714 km (0.081 R)
• M17: 9,170,948 km (0.094 R)
• M18: 9,502,906 km (0.094 R)
• M19: 10,637,755 km (0.091 R)
• M20: 11,050,944 km (0.032 R)
• M21: 14,030,635 km (0.072 R)
• M22: 15,094,276 km (0.113 R)
• M23: 15,734,106 km (0.114 R)
• M24: 17,507,888 km (0.103 R)
• M25: 18,084,438 km (0.111 R)
• M26: 19,752,753 km (0.085 R)
• M27: 20,237,600 km (0.071 R)
• M28: 22,858,255 km (0.061 R)
• M29: 29,028,719 km (0.076 R)
• M30: 29,655,833 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.7

Radius: 4

Gravity: 30.61 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.18 AU - 6.66 AU

Year: 11228 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,300,870 km

• M1: 54,902 km (0.1 R)
• M2: 289,173 km (0.115 R)
• M3: 419,772 km (0.101 R)
• M4: 729,888 km (0.096 R)
• M5: 1,001,109 km (0.074 R)
• M6: 2,207,616 km (0.085 R)
• M7: 2,449,964 km (0.086 R)
• M8: 3,403,501 km (0.1 R)
• M9: 7,292,298 km (0.119 R)
• M10: 10,599,608 km (0.117 R)
• M11: 10,755,788 km (0.109 R)
• M12: 14,148,069 km (0.109 R)
• M13: 15,309,846 km (0.064 R)
• M14: 21,495,718 km (0.11 R)
• M15: 23,553,138 km (0.099 R)
• M16: 24,447,882 km (0.05 R)
• M17: 30,506,297 km (0.116 R)
• M18: 31,354,218 km (0.07 R)
• M19: 34,331,963 km (0.036 R)
• M20: 39,081,397 km (0.07 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,296 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit